To protect your computer with a password when resuming from a screen saver in Windows 7, you can find this feature in the "Screen Saver Settings" menu. Here's how you can access it:
1. Right-click on an empty area of your desktop and select "Personalize" from the context menu.
2. In the Personalization window, click on "Screen Saver" at the bottom-right corner.
3. In the Screen Saver Settings window, you will find the option "On resume, display logon screen." Check this box to enable the password requirement when resuming from the screen saver.
4. You can also set the time duration for the screen saver to activate in the "Wait" dropdown menu.